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Finding the Fourth Proportional to 296,651.88, 409,379.94 and 160,686.12

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Solution

The fourth proportional to 296,651.88, 409,379.94 and 160,686.12 is: 221,747.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,651.88 : 409,379.94 = 160,686.12 : x
  2. Step 2: Convert to fraction form
    296,651.88/409,379.94 = 160,686.12/x
  3. Step 3: Cross multiply
    296,651.88x = 409,379.94 × 160,686.12
  4. Step 4: Simplify right side
    296,651.88x = 65,781,674,164.43
  5. Step 5: Solve for x
    x = 65,781,674,164.43/296,651.88
  6. Step 6: Final answer
    x = 221,747.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.